ap 24

Building and construction materials and elements of metal; ceiling supports of metal; ceiling installations (metal -); ceiling boards (metal -); ceiling boards (metal -); ceiling units of metal; linings (metal-) for ceilings; linings (metal -) for ceilings; suspended ceilings of metal; frameworks of metal for ceilings; acoustic panels of metal for ceilings; overhead suspension tracks of metal; metal hardware; sections of metal for use in building; extruded aluminium sections; ceiling systems of metal, in particular panel carriers, stays, metal rails and frame structures. Building and construction materials and elements, not of metal; non- metal coverings for ceilings; ceiling coffers of non-metallic materials; ceiling tiles (non-metallic -); suspended ceiling structures (non- metallic -); cladding (non-metallic -) for ceilings; non-metal suspended ceiling systems comprising panels; non-metal profiles for building construction; non-metal rails; ceiling systems, not of metal, in particular panel carriers, stays, rails and frame structures.